PPT 3A

Question 1

Eements that occur free in nature

Answer 1

• He, Ne, Ar, Kr, Xe, & Rn
• O, N, & S = O2, N2, & S8
• C
• Cu, Ag, Au, Pt

Question 2

Forces that hold the atoms together in
a compound

Answer 2

Chemical bonds

Question 3

Covalent bonds are more common than ionic in ___ organisms

Answer 3

Living

Question 4

Ionic compound that have a specific number of water
molecules in each formula unit

Answer 4

Hydrates

Question 5

Acids

gaseous compound + water

Answer 5

Binary acids

Question 6

Acids

Similar to oxoanions, except for two suffix

Answer 6

Oxoacids

Question 7

Combination of two non-metals

Answer 7

Binary covalent compounds

Question 8

Simplest organic compounds

Answer 8

Hydrocarbon

Question 9

Organic compounds that consist entirely of single- bonded carbon and hydrogen atoms and lack any other functional groups

Answer 9

Alkanes

Question 10

Mass of covalent compounds

Answer 10

Molecular mass

Question 11

Mass of ionic compounds

Answer 11

Formula mass

Question 12

Unit that measures the amount of a substance

Answer 12

Mole (mol)

Question 13

Unit for both molecular and formula mass

Answer 13

g/mol

Question 14

Compound has ___ net charge

Answer 14

Zero

Question 15

All ionic compounds are solid arrays of ___ charged ions

Answer 15

Oppositely

Question 16

Polyatomic ion stays together as a ___ unit

Answer 16

Charged

Question 17

Formula unit is the term used for ___ compounds

Answer 17

Ionic

Question 18

Molecular formula is the term used for ___ compounds

Answer 18

Covalent

Question 19

Four oxoanions (___ bonded to O)

Answer 19

Halogen

Question 20

4 Categories of Hydrocarbon

Answer 20

1. Alkanes
2. Alkenes
3. Alkynes
4. Aromatic hydrocarbons

Question 21

Molecular mass = ?

Answer 21

Sum of atomic masses